1263W94 176161-24-3 1H-Benzimidazol-2-amine, 5,6-dichloro-N-(1-methylethyl)-1-beta-L-ribofuranosyl- 5,6-Dichloro-2-(isopropylamino)-1-beta-L-ribofuranosyl-1H-benzimidazole 5,6-Dichloro-N-(1-methylethyl)-1-beta-L-ribofuranosyl-1H-benzimidazol-2-amine BW 1263W94 Maribavir Maribavir [USAN] NTBC